In an audience of 4000 people, 2 people are chosen, at random, to appear on stage. How many ways can the people be chosen?

Name: Solved: In an audience of 4000 people, 2 people are chosen, at random, to appear on stage. How many ways can the people be chosen? - MathMaster
Brand: MathMaster
Rating: 4.9 (205 reviews)

205

likes

1026 views

Answer to a math question In an audience of 4000 people, 2 people are chosen, at random, to appear on stage. How many ways can the people be chosen?

$Expert avatar$

Ali

4.4

92 Answers

4000C2=\frac{4000!}{\left(4000-2\right)!\times2!} 7998000 number of ways

Frequently asked questions (FAQs)

Simplify √125 + √32 - 2√8

What is the value of x in the equation 4x - 5 = 23?

What is the ratio of the area of a right-angled triangle to an equilateral triangle with equal perimeter, if the base of the right-angled triangle is twice the side length of the equilateral triangle?

New questions in Mathematics

How much volume of water in MegaLiters (ML) is required to irrigate 30 Hectare crop area with depth of 20mm?

A normally distributed population has a mean of 118 with a standard deviation of 18. What score separates the lowest 72% of the distribution from the rest of the scores?

2x-y=5 x-y=4

Determine the equations of the recipes that pass through the following pairs of points P1 (2;-1) and p2 (4;-1)

Additionally, the boss asked Armando to determine how many toy sales branches he would have in the fifteenth year, knowing that the first year they started with two branches, by the second they already had 5 branches and, by the third year, they had 8 branches. From the above, determine the number of branches it will have for the fifteenth year.

Solve the math problem 400 students are asked if they live in an apartment and have a pet: Apartment: 120 Both: 30 Pet: 90 The probability that a randomly selected student not living in an apartment has a pet is

A juice shop prepares assorted juices, for their juices they have 5 different types of fruit. How many types of assortments can be prepared in total, if it is considered an assortment to a juice made with two or more fruits?

4X^2 25

Suppose X has a Poisson distribution, with a mean of 0.4. Determine the probability that x is at most 2.

-4y-6(2z-4y)-6

Subscribers to the FAME magazine revealed the following preferences for three categories: Fashion 30, Athletics 24 and Business 15. Following these frequencies of observation, compute the chi-square test statistic. At the 0.05 level of significance, would you conclude they are similar?